只有...先至...

Only If...then...

Level 3Sounds Like zi2 jau5 . . . sin1 zi3 . . .

Use 只有 (zi2 jau5) ... 先至 (sin1 zi3) to state that a specific condition is the ONLY way to achieve a result. It is the Cantonese equivalent of 'Only if... then...'

How It Works

The structure 只有 (zi2 jau5)...先至 (sin1 zi3)... is essential for logical exclusion in Cantonese.

1. Syntax and Word Order:

  • 只有 (zi2 jau5): Usually placed at the start of the sentence. However, if the condition applies to a specific location or object, the main subject can precede it (e.g., 我只有喺呢度... 'I only [at here]...').
  • 先至 (sin1 zi3): Placed in the second clause. Crucially, it must appear after the subject and before the verb.

2. Temporal 'Not Until' Function:
Beyond 'only if', the marker 先至 (or simply 先) is the standard way to express 'not until' regarding time. For example, 佢兩點先至食飯 (He didn't eat until 2 o'clock). This implies the action happened later than expected.

3. Register and Variations:
In daily conversation, Cantonese speakers frequently shorten the result marker:

  • Full: 只有你先至幫到我。 (Only you can help me.)
  • Shortened: 只有你先幫到我。
  • Shortened: 只有你至幫到我。

In formal written contexts, you might see 才 (coi4) used instead of 先至, but using 才 in spoken Cantonese sounds like Mandarin interference.

4. Logical Function:
This pattern is more restrictive than a simple if... then... structure. While 'if' suggests one possible path, 'only if' implies it is the sole path. If you want to say 'As long as' (a sufficient condition), use 只要...就... instead.

Examples (6)

  1. 只有努力先至會成功。

    Only by working hard will you succeed.

    Word by Word: Only have hard-work then-only will success.

    努力 (nou5 lik6) is the necessary condition for success.

  2. 只有你肯去，佢先至會去。

    Only if you are willing to go will he go.

    Word by Word: Only have you willing go, he then-only will go.

    This shows a clause-based condition where the subject of the second clause (佢) appears before 先至.

  3. 我只有喺呢度先至搵到佢。

    I can only find him here.

    Word by Word: I only have at here then-only find-attain him.

    In this variation, the main subject (我) precedes 只有 because the condition applies to the location.

  4. 佢尋晚十二點先至返屋企。

    He didn't come home until 12 o'clock last night.

    Word by Word: He last-night twelve-dot then-only return home.

    This demonstrates the 'not until' temporal usage of 先至.

  5. 只有夠十八歲先至可以飲酒。

    Only if you are 18 years old can you drink alcohol.

    Word by Word: Only have enough ten-eight years then-only can drink alcohol.

    This expresses a legal requirement or a strict rule.

  6. 只有佢先至知密碼。

    Only he knows the password.

    Word by Word: Only have he then-only know password.

    A simple example showing exclusivity of knowledge.

Common Mistakes

  • Placing '先至' before the subject of the second clause.

    只有努力先至我會成功。
    只有努力我先至會成功。

    In Cantonese, adverbial markers like 先至 (sin1 zi3) or 就 (zau6) must follow the subject of their clause.

  • Using the Mandarin-style '才' (coi4) in casual speech.

    Different Meaning只有你才幫到我。
    只有你先至幫到我。

    While '才' is understood, it sounds like Standard Written Chinese. '先至' is the natural vernacular choice for Cantonese.

  • Confusing 'Necessary' vs 'Sufficient' conditions.

    Different Meaning只有你想去，我就帶你去。
    只要你想去，我就帶你去。

    If you mean 'As long as you want to go (that's enough for me)', use 只要...就... (zi2 jiu3... zau6...). 只有...先至... implies that your wanting to go is the only possible reason I would take you.

How It Connects

Tap a pattern to see what it builds on and what it leads to.

只有...先至...Level 3Only If...then...

Learn This First

The pattern '只有...先至...' is a conditional structure meaning 'only if... then...'. It requires an understanding of the verb '有' (to have) and the logical flow of Cantonese conditional sentences. It specifically uses '先至' to emphasize that the result cannot happen until the condition is met, which is a more emphatic version of the standard '就' (then) result marker.

Words in This Pattern

只有